llvm-6502/test/Bindings/Ocaml/bitreader.ml

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(* RUN: %ocamlc -warn-error A llvm.cma llvm_bitreader.cma llvm_bitwriter.cma %s -o %t 2> /dev/null
* RUN: ./%t %t.bc
* RUN: llvm-dis < %t.bc | grep caml_int_ty
*)
(* Note that this takes a moment to link, so it's best to keep the number of
individual tests low. *)
let test x = if not x then exit 1 else ()
let _ =
let fn = Sys.argv.(1) in
let m = Llvm.create_module "ocaml_test_module" in
ignore (Llvm.define_type_name "caml_int_ty" Llvm.i32_type m);
test (Llvm_bitwriter.write_bitcode_file m fn);
Llvm.dispose_module m;
(* parse_bitcode *)
begin
let mb = Llvm.MemoryBuffer.of_file fn in
begin try
let m = Llvm_bitreader.parse_bitcode mb in
Llvm.dispose_module m
with x ->
Llvm.MemoryBuffer.dispose mb;
raise x
end
end;
(* MemoryBuffer.of_file *)
test begin try
let mb = Llvm.MemoryBuffer.of_file (fn ^ ".bogus") in
Llvm.MemoryBuffer.dispose mb;
false
with Llvm.IoError _ ->
true
end;
(* get_module_provider *)
begin
let mb = Llvm.MemoryBuffer.of_file fn in
let mp = begin try
Llvm_bitreader.get_module_provider mb
with x ->
Llvm.MemoryBuffer.dispose mb;
raise x
end in
Llvm.ModuleProvider.dispose mp
end;
(* corrupt the bitcode *)
let fn = fn ^ ".txt" in
begin let oc = open_out fn in
output_string oc "not a bitcode file\n";
close_out oc
end;
(* test get_module_provider exceptions *)
test begin
try
let mb = Llvm.MemoryBuffer.of_file fn in
let mp = begin try
Llvm_bitreader.get_module_provider mb
with x ->
Llvm.MemoryBuffer.dispose mb;
raise x
end in
Llvm.ModuleProvider.dispose mp;
false
with Llvm_bitreader.Error _ ->
true
end